Pith Number

pith:T3FBXASJ

pith:2022:T3FBXASJJ5XSBENQCEKZCXS3MW

not attested not anchored not stored refs pending

Scattering Amplitudes and The Cotton Double Copy

Nathan Moynihan, William T. Emond

arxiv:2202.10499 v1 · 2022-02-21 · hep-th · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3FBXASJJ5XSBENQCEKZCXS3MW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:59:05.029376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eca1b82494f6f2091b01115915e5b65871211b66b736fdb5a804285fd6054df

Aliases

arxiv: 2202.10499 · arxiv_version: 2202.10499v1 · doi: 10.48550/arxiv.2202.10499 · pith_short_12: T3FBXASJJ5XS · pith_short_16: T3FBXASJJ5XSBENQ · pith_short_8: T3FBXASJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/T3FBXASJJ5XSBENQCEKZCXS3MW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9eca1b82494f6f2091b01115915e5b65871211b66b736fdb5a804285fd6054df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a0a8bba7b18fe67bf36437cb08028e280575900ff994f37def199f8a368ef06",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2022-02-21T19:16:25Z",
    "title_canon_sha256": "405c5e21bb91f41e2f2edaea2205feb7812f49d286a2184566cce064eb719c63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10499",
    "kind": "arxiv",
    "version": 1
  }
}